Chain sprockets, chain, and tightness degree
1.Chain sprockets: Rear: 428-46T, Front: 428-15T
2.Chain: GB/T14212 428MH-110
3.Tightness degree:
(1) Measure the chain at the lower end of the middle of the sprocket;
(2) When the tightness is correct, the swing amplitude of the chain at this position is
15-25mm.
Belt Pulley, Belt, and Tightness Degree
1. Belt Pulley
：
Rear P69-S8M
，
Front P26-S8M
2. Belt
：
STD1344-8M
3. Tightness Degree
：
(1) Place the belt tension meter probe close to the belt at the lower end of the middle of the pulley;
(2) Use your fingers to move the belt at this part;
(3) Read the value on the tension meter, the correct tightness value is 105~110Hz.
the belt tension meter probe
15-25mm
12
13
Instructions for Use
Instructions for Use
